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Cheap flights from San Diego to Barcelona from $370

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Barcelona departing on 8/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from San Diego to Barcelona

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
5:15 pm - 5:55 pm
SAN
-
BCN
15h 40m
1 stop
Lufthansa Logo
7:55 am - 3:25 pm
BCN
-
SAN
16h 30m
1 stop
$768Lufthansa
Tue, Jul 7 - Thu, Jul 23
KLM Logo
10:49 am - 12:50 pm
SAN
-
BCN
17h 01m
1 stop
KLM Logo
9:20 am - 11:50 am
BCN
-
SAN
35h 30m
1 stop
$809KLM
Tue, Aug 18 - Mon, Sep 7
British Airways Logo
7:40 pm - 10:40 pm
SAN
-
BCN
18h 00m
1 stop
British Airways Logo
7:20 pm - 2:55 pm
BCN
-
SAN
28h 35m
1 stop
$813British Airways
Tue, Aug 18 - Mon, Sep 7
Multiple Airlines Logo
7:00 am - 8:00 am
SAN
-
BCN
16h 00m
1 stop
Multiple Airlines Logo
8:00 pm - 10:42 pm
BCN
-
SAN
35h 42m
2 stops
$818Multiple Airlines
Tue, Aug 18 - Mon, Sep 7
Lufthansa Logo
5:15 pm - 5:55 pm
SAN
-
BCN
15h 40m
1 stop
Lufthansa Logo
3:40 pm - 3:25 pm
BCN
-
SAN
32h 45m
1 stop
$822Lufthansa
Tue, Aug 18 - Mon, Sep 7
United Airlines Logo
6:40 am - 8:20 am
SAN
-
BCN
16h 40m
2 stops
United Airlines Logo
1:25 pm - 3:25 pm
BCN
-
SAN
35h 00m
1 stop
$824United Airlines
Tue, Aug 18 - Mon, Sep 7
SWISS Logo
3:56 pm - 7:10 pm
SAN
-
BCN
18h 14m
2 stops
SWISS Logo
8:00 pm - 10:42 pm
BCN
-
SAN
35h 42m
2 stops
$829SWISS
Tue, Aug 18 - Mon, Sep 7
Multiple Airlines Logo
10:04 am - 4:00 pm
SAN
-
BCN
20h 56m
2 stops
Multiple Airlines Logo
8:00 am - 7:02 pm
BCN
-
SAN
20h 02m
2 stops
$830Multiple Airlines
Tue, Aug 11 - Thu, Aug 27
Multiple Airlines Logo
7:00 am - 8:00 am
SAN
-
BCN
16h 00m
1 stop
Multiple Airlines Logo
8:40 pm - 5:28 pm
BCN
-
SAN
29h 48m
2 stops
$831Multiple Airlines
Tue, Aug 18 - Mon, Sep 7
SWISS Logo
1:24 pm - 7:10 pm
SAN
-
BCN
20h 46m
2 stops
SWISS Logo
9:40 am - 10:47 pm
BCN
-
SAN
22h 07m
2 stops
$832SWISS
Tue, Aug 18 - Mon, Sep 7

British Airways flights from San Diego to Barcelona

Our best British Airways deals on San Diego to Barcelona flight tickets
British Airways
Aug 18
SAN7:40 pmSan Diego
18h 00m
1 stop
BCN10:40 pmBarcelona-El Prat
Sep 7
BCN7:20 pmBarcelona-El Prat
28h 35m
1 stop
SAN2:55 pmSan Diego
$813
British Airways
Aug 18
SAN4:45 pmSan Diego
16h 55m
1 stop
BCN6:40 pmBarcelona-El Prat
Sep 7
BCN7:20 pmBarcelona-El Prat
28h 35m
1 stop
SAN2:55 pmSan Diego
$833
British Airways
Aug 18
SAN4:22 pmSan Diego
19h 08m
2 stops
BCN8:30 pmBarcelona-El Prat
Sep 7
BCN7:20 pmBarcelona-El Prat
28h 35m
1 stop
SAN2:55 pmSan Diego
$858

United Airlines flights from San Diego to Barcelona

Our best United Airlines deals on San Diego to Barcelona flight tickets
United Airlines
Aug 18
SAN6:40 amSan Diego
16h 40m
2 stops
BCN8:20 amBarcelona-El Prat
Sep 7
BCN1:25 pmBarcelona-El Prat
35h 00m
1 stop
SAN3:25 pmSan Diego
$824
United Airlines
Aug 4
SAN2:00 pmSan Diego
14h 15m
1 stop
BCN1:15 pmBarcelona-El Prat
Aug 25
BCN12:15 pmBarcelona-El Prat
43h 34m
2 stops
SAN10:49 pmSan Diego
$902
United Airlines
Aug 15
SAN10:40 pmSan Diego
29h 35m
1 stop
BCN1:15 pmBarcelona-El Prat
Sep 2
BCN1:15 pmBarcelona-El Prat
31h 20m
1 stop
SAN11:35 amSan Diego
$910

momondo Fare Finder

 
Customize your flight search to find flights from San Diego to Barcelona that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 22, 2026.
Use the filters below to find and compare flights from San Diego to Barcelona that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Tue 7/7

5:15 pm-5:55 pm

1 stop15h 40m

Barcelona-El Prat

Thu 7/23

7:55 am-3:25 pm

1 stop16h 30m

$768

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Tue 8/18

10:49 am-12:50 pm

1 stop17h 01m

Barcelona-El Prat

Mon 9/7

9:20 am-11:50 am

1 stop35h 30m

$809

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Tue 8/18

7:40 pm-10:40 pm

1 stop18h 00m

Barcelona-El Prat

Mon 9/7

7:20 pm-2:55 pm

1 stop28h 35m

$813

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Tue 8/18

7:00 am-8:00 am

1 stop16h 00m

Barcelona-El Prat

Mon 9/7

8:00 pm-10:42 pm

2 stops35h 42m

$818

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Tue 8/18

5:15 pm-5:55 pm

1 stop15h 40m

Barcelona-El Prat

Mon 9/7

3:40 pm-3:25 pm

1 stop32h 45m

$822

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Tue 8/18

6:40 am-8:20 am

2 stops16h 40m

Barcelona-El Prat

Mon 9/7

1:25 pm-3:25 pm

1 stop35h 00m

$824

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Tue 8/18

3:56 pm-7:10 pm

2 stops18h 14m

Barcelona-El Prat

Mon 9/7

8:00 pm-10:42 pm

2 stops35h 42m

$829

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Tue 8/11

10:04 am-4:00 pm

2 stops20h 56m

Barcelona-El Prat

Thu 8/27

8:00 am-7:02 pm

2 stops20h 02m

$830

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Tue 8/18

7:00 am-8:00 am

1 stop16h 00m

Barcelona-El Prat

Mon 9/7

8:40 pm-5:28 pm

2 stops29h 48m

$831

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Tue 8/18

1:24 pm-7:10 pm

2 stops20h 46m

Barcelona-El Prat

Mon 9/7

9:40 am-10:47 pm

2 stops22h 07m

$832

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Barcelona from

How to get the cheapest flight ticket from San Diego to Barcelona

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between San Diego and Barcelona?

What is the cheapest month to fly to Barcelona?

The month of August is, on average, the cheapest month to fly to Barcelona from San Diego, with most prices found around $261. If you don’t want to visit Barcelona in August, then you should wait until May to fly from San Diego, when ticket prices are also cheap, with an average price of $313.

How far in advance should I book a flight from San Diego to Barcelona?

You are more likely to see cheaper flights to Barcelona from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona for around $793 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona from San Diego for as low as $666 on momondo.

Cheap San Diego to Barcelona flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Barcelona

Fastest flight time

15h 00m

Direct flights

None
The fastest flight from San Diego to Barcelona takes 15h 00m
There are no direct flights from San Diego to Barcelona. There are no popular flight routes from San Diego to Barcelona.
Search flight deals

Frequently asked questions about flying from San Diego to Barcelona

  • How far is San Diego to Barcelona by plane?

    The distance between San Diego and Barcelona is about 6024.0 mi. A reasonable flight in good conditions will take 15h 00m.

  • When did momondo last update prices for flights from San Diego Airport to Barcelona?

    Prices for flights from San Diego Airport to Barcelona are refreshed on a daily basis.

  • How many operators does momondo search for flights from San Diego Airport to Barcelona?

  • How old do you have to be to fly from San Diego Airport to Barcelona?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Diego Airport to Barcelona.

  • What documentation or ID do you need to fly to Barcelona?

    The required travel and health documents for your Barcelona trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Barcelona. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from San Diego to Barcelona

Compare and see reviews for airlines that fly from San Diego to Barcelona with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom $383Free CancellationRating
7.8
1,519 reviews
Search KLM flights
Air CanadaPriceFrom $420Free CancellationRating
7.1
11,075 reviews
Search Air Canada flights
IberiaPriceFrom $443Free CancellationRating
7.0
3,220 reviews
Search Iberia flights
LufthansaPriceFrom $463Free CancellationRating
6.8
8,018 reviews
Search Lufthansa flights
DeltaPriceFrom $487Free CancellationRating
7.9
8,449 reviews
Search Delta flights
British AirwaysPriceFrom $515Free CancellationRating
6.7
7,992 reviews
Search British Airways flights
United AirlinesPriceFrom $542Free CancellationRating
7.4
9,751 reviews
Search United Airlines flights
Scandinavian AirlinesPriceFrom $565Free CancellationRating
7.4
1,783 reviews
Search Scandinavian Airlines flights
American AirlinesPriceFrom $601Free CancellationRating
7.1
11,642 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to Barcelona?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Diego to Barcelona for you.

Can I find flights from San Diego to Barcelona with flexible booking policies on momondo?

All flight searches from San Diego to Barcelona on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Diego to Barcelona?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Barcelona from San Diego.

I’m not ready to book a flight from San Diego to Barcelona right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Diego to Barcelona flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to Spain

Fly into one of these airports located in Barcelona

Airports listed have a maximum distance of 46.7 mi from Barcelona
Barcelona-El Prat Airport
Girona Costa Brava Airport